(19)
(11) EP 2 317 702 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
08.06.2011 Bulletin 2011/23

(43) Date of publication A2:
04.05.2011 Bulletin 2011/18

(21) Application number: 10188736.2

(22) Date of filing: 25.10.2010
(51) International Patent Classification (IPC): 
H04L 12/56(2006.01)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 28.10.2009 US 607162 P

(71) Applicant: Juniper Networks, Inc.
Sunnyvale, CA 94089-1206 (US)

(72) Inventor:
  • Aybay, Gunes
    Los Altos, CA 94024 (US)

(74) Representative: Harris, Ian Richard 
D Young & Co LLP 120 Holborn
London EC1N 2DY
London EC1N 2DY (GB)

   


(54) Methods and apparatus related to a distributed switch fabric


(57) A method of sending data to a switch fabric (100) includes assigning a destination port of an output module (116) to a data packet based on at least one field in a first header of the data packet, A module (112) associated with a first stage (140) of the switch fabric is selected based on at least one field in the first header. A second header is appended to the data packet. The second header includes an identifier associated with the destination port of the output module (116). The data packet is sent to the module associated with the first stage. The module associated with the first stage is configured to send the data packet to a module associated with a second stage (142) of the switch fabric based on the second header.







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